4869 Model 002 5 1/4-Inch 1.2MB External Diskette Drive 
 
Dimensions 
Height     62.5 mm  2.5 in.    
Width     227.0 mm  8.9 in.    
Depth     408.0 mm  16.0 in.    
Weight 
Minimum     2.1 kg  4.6 lbs.    
Maximum     2.1 kg  4.6 lbs.    
Electrical 
Power source loading  0.02 
(typical in kVA)    
Voltage range (V ac)  100 to 125 or 200 to 240 (autoranging) 
Frequency (hertz)  50 or 60 
Thermal output 
(typical) 
35 Btu/hr 
Power requirements 
(typical)
 
10 watts 
Power factor  N/A 
Maximum altitude  2135 m (7000 ft.) 
Temperature 
Requirements
 
Operating
10 to 40°C
(50 to 104°F)
 
Non-Operating
10 to 52°C
(50 to 125°F)
 
Humidity 
Requirements 
Operating  Non-Operating 
(Noncondensing)       
ANSI Media  8 to 80%  5 to 95% 
ISO Media  20 to 80%  5 to 95% 
Wet Bulb  23°C (73°F)  27°C (80°F) 
Noise Emissions¹  Operating  Idle 
L
WAd 
6.0 bels  N/A 
L
pAm 
54 dBA  N/A 
<L
pA
>
m 
42 dBA  N/A 
Impulsive or 
prominent discrete 
tones
 
Yes  No 
Clearances  Front  Back  Left  Right 
Install/Air Flow²  152 mm(6 in)  152 mm(6 in)  N/A  N/A 
Service  152 mm(6 in)  N/A  N/A  N/A 
Footprint
2 
Width
227mm(8.9 in) 
Depth
712mm(28 in) 
1.    See “Noise Emission Notes” on page 336 for definitions of noise emissions positions. 
2.    The amount of space needed by the unit during normal operation is indicated by the footprint dimensions.
 
 
 
314  Site and Hardware Planning Information